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3.D.3.5.3
Cytochrome b6/f complex, PetABCD of (cyt f; cyt b6, iron sulfur protein, and subunit 4, respectively, of 324, 215, 179, and 160 aas, respectively (Soo et al. 2017).

Accession Number:Q31NV7
Protein Name:Cytochrome b6-f complex iron-sulfur subunit
Length:179
Molecular Weight:18834.00
Species:Synechococcus elongatus (strain PCC 7942) [1140]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cellular thylakoid membrane1 / Single-pass membrane protein2
Substrate hydron

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MTQVSGASDV PSMGRRQFMN LLTFGSVTGV ALGALYPVVN YFIPPSSGGS GGGVAAKDAL 
61:	GNDVVLSKFL ADHNVGDRTL VQGLKGDPTY LVVESSEAIG DYGINAVCTH LGCVVPWNAS 
121:	ENKFKCPCHG SQYDATGKVV RGPAPLSLAL AHVSVTDDKV FLSPWTETDF RTGDNPWWA